feat: add molang package

1. upgrade bukkit chat
2. fix config update error

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/molang/src/parser/expressions/name.ts

@@ -0,0 +1,47 @@
+import { ExecutionEnvironment } from '../../env/env'
+import { Expression } from '../expression'
+
+export class NameExpression extends Expression {
+	type = 'NameExpression'
+
+	constructor(
+		public executionEnv: ExecutionEnvironment,
+		protected name: string,
+		protected isFunctionCall = false
+	) {
+		super()
+	}
+
+	get allExpressions() {
+		return []
+	}
+	setExpressionAt() {}
+
+	isStatic() {
+		return false
+	}
+
+	setPointer(value: unknown) {
+		this.executionEnv.setAt(this.name, value)
+	}
+
+	setFunctionCall(value = true) {
+		this.isFunctionCall = value
+	}
+	setName(name: string) {
+		this.name = name
+	}
+	setExecutionEnv(executionEnv: ExecutionEnvironment) {
+		this.executionEnv = executionEnv
+	}
+
+	eval() {
+		const value = this.executionEnv.getFrom(this.name)
+		if (!this.isFunctionCall && typeof value === 'function') return value()
+		return value
+	}
+
+	toString() {
+		return this.name
+	}
+}